National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-02-19 05:31 UTC
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534
CDUS41 KLWX 190535
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1231 AM EST SUN FEB 19 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 18 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 72 331 PM 75 2011 47 25 39
MINIMUM 25 616 AM -14 1979 26 -1 23
AVERAGE 49 37 12 31
PRECIPITATION (IN)
YESTERDAY 0.00 1.29 1964 0.10 -0.10 0.00
MONTH TO DATE 0.25 1.78 -1.53 2.57
SINCE DEC 1 5.34 7.42 -2.08 10.80
SINCE JAN 1 2.98 4.46 -1.48 7.04
SNOWFALL (IN)
YESTERDAY 0.0 2.5 1979 0.3 -0.3
1964
MONTH TO DATE 0.6 5.4 -4.8
SINCE JUL 1 1.6 16.7 -15.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 16 28 -12 34
MONTH TO DATE 438 537 -99 572
SINCE DEC 1 2047 2405 -358 2108
SINCE JUL 1 2774 3321 -547 2858
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 2
SINCE JAN 1 0 0 0 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 4.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 600 AM
LOWEST 20 300 PM
AVERAGE 51
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 71 1997
MINIMUM TEMPERATURE (F) 27 6 2015
SUNRISE AND SUNSET
FEBRUARY 19 2017......SUNRISE 656 AM EST SUNSET 552 PM EST
FEBRUARY 20 2017......SUNRISE 654 AM EST SUNSET 553 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$